linux/fs/afs/vl_rotate.c

// SPDX-License-Identifier: GPL-2.0-or-later
/* Handle vlserver selection and rotation.
 *
 * Copyright (C) 2018 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells ([email protected])
 */

#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/sched/signal.h>
#include "internal.h"
#include "afs_vl.h"

/*
 * Begin an operation on a volume location server.
 */
bool afs_begin_vlserver_operation(struct afs_vl_cursor *vc, struct afs_cell *cell,
				  struct key *key)
{ … }

/*
 * Begin iteration through a server list, starting with the last used server if
 * possible, or the last recorded good server if not.
 */
static bool afs_start_vl_iteration(struct afs_vl_cursor *vc)
{ … }

/*
 * Select the vlserver to use.  May be called multiple times to rotate
 * through the vlservers.
 */
bool afs_select_vlserver(struct afs_vl_cursor *vc)
{ … }

/*
 * Dump cursor state in the case of the error being EDESTADDRREQ.
 */
static void afs_vl_dump_edestaddrreq(const struct afs_vl_cursor *vc)
{ … }

/*
 * Tidy up a volume location server cursor and unlock the vnode.
 */
int afs_end_vlserver_operation(struct afs_vl_cursor *vc)
{ … }